Epidote Nagashima M, Akasada M American Mineralogist 95 (2010) 1237-1246 X-ray Rietveld and 57Fe Mossbauer studies of epidote and piemontite on the join Ca2Al2FeSi3O12(OH) - Ca2Al2MnSi3O12(OH) formed by hydrothermal synthesis Locality: synthetic Sample: q=1.0, run 41 _database_code_amcsd 0016949 8.8902 5.6366 10.1600 90 115.432 90 P2_1/m atom x y z occ Ca .7528 .75 .1498 Ca .6092 .75 .4222 AlM1 0 0 0 .84 FeM1 0 0 0 .16 AlM2 0 0 .5 AlM3 .2959 .25 .2262 .25 FeM3 .2959 .25 .2262 .75 Si .3380 .75 .0461 Si .6814 .25 .2766 Si .1885 .75 .324 O1 .235 .993 .041 O2 .305 .977 .355 O3 .798 .015 .342 O4 .052 .25 .129 O5 .036 .75 .151 O6 .062 .75 .411 O7 .516 .75 .173 O8 .524 .25 .309 O9 .646 .25 .104 OH10 .071 .25 .425